999999240342 has 32 divisors (see below), whose sum is σ = 2123174633472. Its totient is φ = 312906113664.

The previous prime is 999999240337. The next prime is 999999240349. The reversal of 999999240342 is 243042999999.

999999240342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999999240349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12759778 + ... + 12837909.

It is an arithmetic number, because the mean of its divisors is an integer number (66349207296).

Almost surely, 2^999999240342 is an apocalyptic number.

999999240342 is an abundant number, since it is smaller than the sum of its proper divisors (1123175393130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999999240342 is a wasteful number, since it uses less digits than its factorization.

999999240342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25598092.

The product of its (nonzero) digits is 102036672, while the sum is 69.

The spelling of 999999240342 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, two hundred forty thousand, three hundred forty-two".